Up to about 30 years ago the USA had several thousand cases of smallpox each year. The large number of cases in the USA early in this century was generally attributed to the variation in the vaccination requirements of the 50 states, and it was claimed, without good evidence, that the ...
Smallpox spreads easily, particularly in hospitals. It was estimated that a smallpox patient usually infected an average of five new cases. There is a concern, however, that a new case could cause as many as 10-20 new cases because of the present susceptible population. In a detailed ...
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2, 3 The mortality rate of naturally occurring cases in untreated individuals is between 20% and 50%. Death usually results from viremia, toxemia, disseminated intravascular coagulation, hypotension, or cardiovascular collapse. There are three phases of clinical manifestation of traditional smallpox ...
“Three cases of cross-infection after smallpox vaccination are described, in two of which the outcome was fatal.” Note: The military and some hospital workers still get vaccinated for this in the U.S. #Death#Shedding#Smallpox#Vaccine#MedScienceResearch ...
The variola virus infection is transmitted through aerosol. This was proven in a hospital building in Meschede, Germany, where a total of 17 smallpox cases were infected by virus particles disseminated by air over a considerable distance [2]. Usually, the virus enters the body by the inhalati...
Studies of smallpox cases in Europe in the 1950s and 1960s demonstrated that the fatality rate among persons vaccinated less than 10 years before exposure was 1.3 percent; it was 7 percent among those vaccinated 11 to 20 years prior, and 11 percent among those vaccinated 20 or more years ...
Despite eradication1, smallpox still presents a risk to public health whilst laboratory stocks of virus remain2,3. One factor crucial to any assessment of this risk is R0, the average number of secondary cases infected by each primary case. However, rece
In 18th century Europe, a third of all reported cases of blindness were due to smallpox. Today, aging-related disease is the leading cause of blindness.40-42 Smallpox is now eradicated. No one would have thought that possible during the thousands of years when smallpox outbreaks decimated ...
In July 2022, World Health Organization (WHO) declared monkeypox as a public health emergency of international concern (PHEIC) [1]. Although the monkeypox outbreak is no longer a global health emergency, there are still new cases of infection globally and the available clinical strategy for ...